Devex Calculator
Devex calculator works out Crop value before mutations and Environment multiplier from Amount to convert, Rate per unit (from your provider) and Value list version. The default figures on this page give converted amount of 3.8; change any entry and the result, the working and the sources update together.
Your figures
Updates as you typeHow this is worked out
2 steps
- Converted = 1000 x 0.0038 = 3.8
- The inverse rate is 1 / 0.0038 = 263.157895 units per 1 of the target currency.
Its 5 worked examples are re-run on every release, last on 15 September 2026. What changed
Sources and references
4 sources
What the devex calculator calculates
Converts Robux to real money at the DevEx rate.
How to use this devex calculator
Enter Amount to convert, Rate per unit (from your provider) and Value list version. Crop value before mutations updates as you type. Change one figure at a time to see what drives the result.
How the result is worked out
Open “How this is worked out” beside the result for the step-by-step calculation behind Crop value before mutations, Environment multiplier and Value per crop.
The method follows Grow a Garden Wiki: Crop Mutations - Price Calculation, Grow a Garden Wiki: Pets - Pet Weights, Grow a Garden 2 value calculator (candidate expression) and Roblox Developer Exchange help and information page.
What you can compare
Change one input at a time to see how it affects Crop value before mutations, Environment multiplier and Value per crop. The inputs you can vary are Amount to convert, Rate per unit (from your provider) and Value list version.
Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.
See something wrong? Report a problem with this calculator
Frequently asked questions
How much is 30k Robux in DevEx?
On the figures this page opens with, the converted amount is 3.8. No single number fits everyone: it follows Amount to convert, Rate per unit (from your provider) and Value list version, so enter your own above and the answer updates as you type.
Can I DevEx 200k Robux?
Converts Robux to real money at the DevEx rate. Put your own figures in above and the working updates beside the result. For scale, the default figures on this page give 3.8.
How much USD is 1m Robux DevEx?
It needs Amount to convert, Rate per unit (from your provider) and Value list version. Nothing else is required, and the figures stay in your browser.
What information do I need for the devex calculator?
You need Amount to convert, Rate per unit (from your provider) and Value list version. The page opens with default figures that give converted amount of 3.8, so you can see the scale before entering your own.
What does this devex calculator show?
It shows Crop value before mutations, Environment multiplier, Value per crop, Total value, Projected weight, Weight at age 1, Weight at age 100 and Total value you give, with the working and any warnings for your entries.
Can I check how the devex calculator result was calculated?
Yes. The “How this is worked out” section shows the calculation steps, and the sources section identifies the references used for the method.